Resideo 198799Z Sensor this universal replacement pilot is

this universal replacement pilot is designed for dual-fuel applications

if your system involves multiple high-draw accessories or zoned dampers

When troubleshooting Bard HVAC thermal safety switches

preventing moisture migration toward external electrical switches

reliable installation for field technicians

Resideo 198799Z Sensor this universal replacement pilot isThe Resideo 198799Z Sensor is a high precision NTC thermistor designed for demanding hydronic applications, providing reliable temperature feedback for outdoor reset or supply water monitoring. Engineered for seamless integration with Resideo AQ475, AQ675, and AQ775 Aquastat controllers, this sensor is technically identical to the 198799Z U model, ensuring a drop in replacement for existing HVAC systems. Featuring a 42 inch skinned and retained lead